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Add vpkpx instruction.

Browse source 
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6183 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-04 22:12:19 +00:00
parent 5335a145a1
commit 1dd9ffb969
3 changed files with 23 additions and 0 deletions
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21
target-ppc/op_helper.c
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@ -2195,6 +2195,27 @@ void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
#else
#define PKBIG 0
#endif
void helper_vpkpx (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{
int i, j;
ppc_avr_t result;
#if defined(WORDS_BIGENDIAN)
const ppc_avr_t *x[2] = { a, b };
#else
const ppc_avr_t *x[2] = { b, a };
#endif
VECTOR_FOR_INORDER_I (i, u64) {
VECTOR_FOR_INORDER_I (j, u32){
uint32_t e = x[i]->u32[j];
result.u16[4*i+j] = (((e >> 9) & 0xfc00) |
((e >> 6) & 0x3e0) |
((e >> 3) & 0x1f));
}
}
*r = result;
}
#define VPK(suffix, from, to, cvt, dosat) \
void helper_vpk##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \